Ah, the Wastelands. Aptly, they're mostly empty.
Serves as a thoroughfare to Realm of Worship, Tower of Despair, Aurora, the Shattered Temple of Nae'trelle and the 'Cave Tunnel' part of the Sewer. Also leads to the 'straits of Ahtbourne' part of the Blood Sea.
Walk ( 6s, ne, 2s, se, 2e, s, 2sw, s, 4sw, 3s, se) to get from DH to the room marked in blue near the centre left-hand side.